<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>

request.setAttribute("id", "request id의 value");
request.setAttribute("pw", "request pw의 value");
request.getRequestDispatcher("elExam.jsp?name=kim").forward(request, response);

<div> request영역에 저장된 id값 java code :<%=request.getAttribute("id") %></div>
<div> <%=request.getParameter("name") %></div>


<div> request영역에 저장된 id값 EL : ${requestScope.id } </div>
<div> request영역에 저장된 pw값 EL : ${requestScope.pw } </div>
<div> parameter name의 값 EL : ${param.name } </div>